@Tony Thanks for your response. Great names have great ideas! My issue has been resolved. I was pretty convinced that there was a HW issue. As it turns out it was a channel/channel width conflict and...

Brand new Archer C4000. Performed quick setup and modified band names to my specific need. The 5G_1 band does not always broadcast the SSID (broadcast is definitely on) and when I am able to see it I...